Home / 21,736.63-32,603.87-12,735.85

Finding the Fourth Proportional to 21,736.63, 32,603.87 and 12,735.85

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Solution

The fourth proportional to 21,736.63, 32,603.87 and 12,735.85 is: 19,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.63 : 32,603.87 = 12,735.85 : x
  2. Step 2: Convert to fraction form
    21,736.63/32,603.87 = 12,735.85/x
  3. Step 3: Cross multiply
    21,736.63x = 32,603.87 × 12,735.85
  4. Step 4: Simplify right side
    21,736.63x = 415,237,997.74
  5. Step 5: Solve for x
    x = 415,237,997.74/21,736.63
  6. Step 6: Final answer
    x = 19,103.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.